1324021 has 4 divisors (see below), whose sum is σ = 1335852. Its totient is φ = 1312192.

The previous prime is 1324007. The next prime is 1324033. The reversal of 1324021 is 1204231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12996 + 1311025 = 114^2 + 1145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324021 - 2⁷ = 1323893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323992 and 1324010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5746 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (333963).

2^1324021 is an apocalyptic number.

It is an amenable number.

1324021 is a deficient number, since it is larger than the sum of its proper divisors (11831).

1324021 is a wasteful number, since it uses less digits than its factorization.

1324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11830.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1324021 is about 1150.6611143165. The cubic root of 1324021 is about 109.8074040327.

Adding to 1324021 its reverse (1204231), we get a palindrome (2528252).

The spelling of 1324021 in words is "one million, three hundred twenty-four thousand, twenty-one".